1.2 Pieces Weighing More than 13 Ounces

Priority Mail weighing more than 13 ounces must be presented at a Post Office retail counter if postage is paid with adhesive stamps. The sender may be required to provide identification before the mail is accepted by the USPS. Such mail may be presented by a sender known to the postal carrier at the sender's residence or place of business. Priority Mail weighing more than 13 ounces and not complying with the requirements of this section is returned to the sender for proper deposit.